<?php

namespace app\admin\controller\course;

use app\common\controller\Backend;

/**
 * 课程章节
 *
 * @icon fa fa-circle-o
 */
class Course extends Backend
{

    /**
     * Course模型对象
     * @var \app\admin\model\Course
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Course;

    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

     public function index()
     {
         $this->relationSearch = true;
         $this->searchFields = "lesson.name,id";
         if ($this->request->isAjax())
         {
             list($where, $sort, $order, $offset, $limit) = $this->buildparams();
             $total = $this->model
                     ->with("lesson")
                     ->where($where)
                     ->order($sort, $order)
                     ->count();
             $list = $this->model
                     ->with("lesson")
                     ->where($where)
                     ->order($sort, $order)
                     ->limit($offset, $limit)
                     ->select();
             $result = array("total" => $total, "rows" => $list);

             return json($result);
         }
         return $this->view->fetch();
     }


}
